2525555 has 4 divisors (see below), whose sum is σ = 3030672. Its totient is φ = 2020440.

The previous prime is 2525531. The next prime is 2525557. The reversal of 2525555 is 5555252.

It is a happy number.

2525555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2525555 - 2¹⁰ = 2524531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252551 + ... + 252560.

It is an arithmetic number, because the mean of its divisors is an integer number (757668).

2^2525555 is an apocalyptic number.

2525555 is a deficient number, since it is larger than the sum of its proper divisors (505117).

2525555 is an equidigital number, since it uses as much as digits as its factorization.

2525555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505116.

The product of its digits is 12500, while the sum is 29.

The square root of 2525555 is about 1589.1994840170. The cubic root of 2525555 is about 136.1817602901.

The spelling of 2525555 in words is "two million, five hundred twenty-five thousand, five hundred fifty-five".